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Calculate A+B-C+D

Look at the series (7, 16, 43, B, A, 1096, 3283, 9844, 29527, C, 265723, D, ...), determine the pattern, and find the unknown values (A, B, C and D) and calculate A+B-C+D!

Correct answers: 19

The first user who solved this task is Nasrin 24 T.

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Kevin Hart: When You Lost a Fight to Your Woman

One time, she got me so mad, we got into a fist fight. You know how you know when you lost a fight to your woman? When the cops come to your house and ask you do you want to press charges. Thats how you know it didnt go as you planned.

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Andromeda outside Milky way

In 1924, a meeting of scientists began in Washington, D.C. On its last day, 1 Jan 1925, its main event was a paper read by H. N. Russell on behalf of the absent author, Edwin Hubble. Although titled about Cepheid Variables, Hubble's paper gave the first proof that Andromeda was a separate galactic system—an “island universe,” far beyond our own Milky Way, and equally large. Previously, scientists couldn't tell if nebulae (fuzzy clouds of light) were within the Milky Way or not. Hubble measured the distances to Cepheid stars in the Andromeda nebula and showed it was a hundred thousand times as far away as the nearest stars—proof it was a separate galaxy. He wrote a letter to Harlow Shapley on 19 Feb 1923 about his first measurement. New York Times (22 Nov 1924) told the public, before the meeting.«

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